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* objcopy.c (struct section_list): Add fields used, adjust, val.

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(adjust_start, set_start_set, set_start): New static variables.
	(adjust_section_vma, adjust_sections): New static variables.
	(copy_options): Add --adjust-start, --adjust-vma,
	--adjust-section-vma, --adjust-warnings, --no-adjust-warnings,
	--set-start.
	(parse_vma): New static function.
	(copy_usage): Mention new options.
	(copy_object): Handle --set-start and --adjust-start.
	(setup_section): Correct type of last argument to PTR.  Set used
	field if section is removed.  Handle --adjust-vma and
	--adjust-section-vma.
	(copy_section): Correct type of last argument to PTR.
	(mark_symbols_used_in_relocations): Likewise.
	(strip_main): Clear used field when handling -R.
	(copy_main): Handle new options.
	* binutils.texi (objcopy): Document new options.
	* objcopy.1: Document new options.
This commit is contained in:
Ian Lance Taylor
1994-10-18 15:49:53 +00:00
parent 683f474317
commit 6c7ed0842d
4 changed files with 356 additions and 32 deletions
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36
binutils/binutils.texi
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@ -747,6 +747,10 @@ objcopy [ -F @var{bfdname} | --target=@var{bfdname} ]
[ -b @var{byte} | --byte=@var{byte} ]
[ -i @var{interleave} | --interleave=@var{interleave} ]
[ -R @var{sectionname} | --remove-section=@var{sectionname} ]
[ --set-start=@var{val} ] [ --adjust-start=@var{incr} ]
[ --adjust-vma=@var{incr} ]
[ --adjust-section-vma=@var{section}@{=,+,-@}@var{val} ]
[ --adjust-warnings ] [ --no-adjust-warnings ]
[ -v | --verbose ] [ -V | --version ] [ --help ]
@var{infile} [@var{outfile}]
@end smallexample
@ -827,6 +831,38 @@ copy with the @var{-b} or @samp{--byte} option. The default is 4.
@code{objcopy} ignores this option if you do not specify either @samp{-b} or
@samp{--byte}.
@item --set-start @var{val}
Set the address of the new file to @var{val}. Not all object file
formats support setting the start address.
@item --adjust-start @var{incr}
Adjust the start address by adding @var{incr}. Not all object file
formats support setting the start address.
@item --adjust-vma @var{incr}
Adjust the address of all sections, as well as the start address, by
adding @var{incr}. Some object file formats do not permit section
addresses to be changed arbitrarily. Note that this does not relocate
the sections; if the program expects sections to be loaded at a certain
address, and this option is used to change the sections such that they
are loaded at a different address, the program may fail.
@item --adjust-section-vma @var{section}@{=,+,-@}@var{val}
Set or adjust the address of the named @var{section}. If @samp{=} is
used, the section address is set to @var{val}. Otherwise, @var{val} is
added to or subtracted from the section address. See the comments under
@samp{--adjust-vma}, above. If @var{section} does not exist in the
input file, a warning will be issued, unless @samp{--no-adjust-warnings}
is used.
@item --adjust-warnings
If @samp{--adjust-section-vma} is used, and the named section does not
exist, issue a warning. This is the default.
@item --no-adjust-warnings
Do not issue a warning if @samp{--adjust-section-vma} is used, even if
the named section does not exist.
@item -V
@itemx --version
Show the version number of @code{objcopy}.